Displaying publications 1421 - 1440 of 7296 in total

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  1. Ahmad I, Cheema TN, Raja MAZ, Awan SE, Alias NB, Iqbal S, et al.
    Sci Rep, 2021 Feb 24;11(1):4452.
    PMID: 33627741 DOI: 10.1038/s41598-021-83990-8
    The objective of the current investigation is to examine the influence of variable viscosity and transverse magnetic field on mixed convection fluid model through stretching sheet based on copper and silver nanoparticles by exploiting the strength of numerical computing via Lobatto IIIA solver. The nonlinear partial differential equations are changed into ordinary differential equations by means of similarity transformations procedure. A renewed finite difference based Lobatto IIIA method is incorporated to solve the fluidic system numerically. Vogel's model is considered to observe the influence of variable viscosity and applied oblique magnetic field with mixed convection along with temperature dependent viscosity. Graphical and numerical illustrations are presented to visualize the behavior of different sundry parameters of interest on velocity and temperature. Outcomes reflect that volumetric fraction of nanoparticles causes to increase the thermal conductivity of the fluid and the temperature enhances due to blade type copper nanoparticles. The convergence analysis on the accuracy to solve the problem is investigated viably though the residual errors with different tolerances to prove the worth of the solver. The temperature of the fluid accelerates due the blade type nanoparticles of copper and skin friction coefficient is reduced due to enhancement of Grashof Number.
  2. Muhammad Danial Abu Hasan, Zair Asrar Ahmad, Mohd Salman Leong, Lim, Meng Hee
    MyJurnal
    This paper presents parameters analysis for the estimated modal damping ratio using a new version of the automated enhanced frequency domain decomposition (AEFDD). The purpose of this study is to provide a better choice of a maximum number of points of time segments and modal assurance criterion (MAC) index number regarding to the variable level of system damping (low and high damped structure) and degree of freedom of the system. According current literature, frequency domain (FD) methods seem to have the problem with providing a correct identification of the modal damping ratio, since the correct estimate of modal damping is still an open problem and often leads to biased estimates. This technique is capable of providing consistent modal parameters estimation, particularly for modal frequencies and mode shapes. As a necessary fundamental condition, the algorithm has been assessed first from computed numerical responses according to random white noise, acting on different shear-type frame structures and corrupted with noise. Results indicate that reducing the value of natural frequencies and modal damping ratios of the modes under analysis demands longer time segments and a high value of the maximum number of points for adequate information on the decaying correlation functions when computing a modal damping ratio. In addition, the results also prove that the MAC index does not significantly affect the results for the low damped system. However, the use of a high MAC index value for the high damped system significantly introduces large error bound and it becomes worse, particularly for the higher modes, as the standard deviation of percentage error increases gradually. Furthermore, the use of a MAC index for a high number of points of time segments significantly increases the standard deviation of the percentage error.
  3. Farahiyah Wan Yunus, Michelle Bissett, Stefania Penkala, Muhammad Hibatullah Romli, Karen P.Y Liu
    MyJurnal
    Introduction: The prevalence of children with autism spectrum disorder is increasing each year. Intervention pro- grammes towards improving the occupational needs such as daily activities of these children are limited. This study aimed to collect opinions from advisory panel for the content validation of the three developed intervention pro- grammes to be implemented among children with autism spectrum disorder aged between 6 to 12 years. The inter- vention programmes are; i) self-regulated learning, ii) sensory integration intervention and iii) activity-based interven- tion. Methods: A cross-sectional study was conducted. Twenty occupational therapists with more than three years’ experience working with children with autism spectrum disorders were recruited as advisory panel members. Re- searchers-developed questionnaire was used. The questionnaire consists of nine to eleven items. Each item consists of a five-point Likert scale for quantitative responses and open-ended questions for qualitative responses. Results: Advisory panel ratings of ‘Good’ to ‘Excellent’ was reported across most items in all three intervention programmes. Overall results suggested that the intervention programmes content was rated to be suitable for children with autism spectrum disorder. Constructive comments were adopted to clarify the activities and structure of the intervention programmes. Final development of the intervention programmes is presented. Conclusion: This study provides con- fidence for the interventions to be incorporated into the future randomised controlled trial.
  4. Susilawati S, Prayogi S, Arif MF, Ismail NM, Bilad MR, Asy'ari M
    Polymers (Basel), 2021 Mar 28;13(7).
    PMID: 33800592 DOI: 10.3390/polym13071065
    This study assesses the optical properties and conductivity of PVA-H3PO4 (polyvinyl alcohol-phosphoric acid) polymer film blend irradiated by gamma (γ) rays. The PVA-H3PO4 polymer film blend was prepared by the solvent-casting method at H3PO4 concentrations of 75 v% and 85 v%, and then irradiated up to 25 kGy using γ-rays from the Cobalt-60 isotope source. The optical absorption spectrum was measured using an ultraviolet-visible spectrophotometer over a wavelength range of 200 to 700 nm. It was found that the absorption peaks are in three regions, namely two peaks in the ultraviolet region (310 and 350 nm) and one peak in the visible region (550 nm). The presence of an absorption peak after being exposed to hυ energy indicates a transition of electrons from HOMO to LUMO within the polymer chain. The study of optical absorption shows that the energy band gap (energy gap) depends on the radiation dose and the concentration of H3PO4 in the polymer film blend. The optical absorption, absorption edge, and energy gap decrease with increasing H3PO4 concentration and radiation dose. The interaction between PVA and H3PO4 blend led to an increase in the conductivity of the resulting polymer blend film.
  5. Palutturi S, Saleh LM, Rachmat M, Malek JA, Nam EW
    Gac Sanit, 2021 4 10;35 Suppl 1:S46-S48.
    PMID: 33832625 DOI: 10.1016/j.gaceta.2020.12.013
    OBJECTIVE: To discuss the characteristics of the aisles communities and to identify the principles and strategies for empowering alley communities in realizing the Makassar Healthy City.

    METHOD: The method used in this research was a qualitative method. Data collection was carried out through an extensive literature review, FGD, and in-depth interviews. Data were analyzed using thematic analysis.

    RESULTS: This research identified the characteristics of the aisles community. This research also found that empowerment of aisles communities can be built with holistic principles, commitment to alley health, leadership, participation, synergy, independence, equality, and sustainability. The development strategies for the aisle communities can be carried out through regulation, the principles of brains and muscles (thinkers and workers), organizations/work groups, community education, funding, and advocacy.

    CONCLUSION: Synergy and convergence action of the aisles program that has the leverage/effect in realizing a clean, comfortable, safe, healthy, and productive aisles is needed.

  6. Farah Izza Jais, Sharifah Mastura, Naji Arafat Mahat, Dzulkiflee Ismail, Muhammad Naeim Mohamad Asri
    MyJurnal
    Introduction: Accelerants and fabrics are commonly used to spread fire attributable to their highly flammable prop- erties. Hence, having the ability to discriminate the different types of accelerants on various types of fabrics after fire and/or arson using the non-destructive Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR) spec- troscopy coupled with chemometric techniques appears forensically relevant. Methods: Six types of fabrics viz. cotton, wool, silk, rayon, satin, and polyester, were burnt completely with RON95 and RON97 gasoline as well as diesel. Subsequently, the samples were analyzed by ATR-FTIR spectroscopy followed by Principal Component Analysis (PCA) and Linear Discriminant Analysis (LDA) for discriminating the different types of accelerants on such burned fabrics. Results: RON95 showed the fastest rate of burning on all fabric types. Results also revealed that while wool had the slowest burning rate for all the three different accelerants, polyester, cotton, and satin demon- strated the highest rate of burning in RON95, RON97, and diesel, respectively. FTIR spectra revealed the presence of alkane, alcohol, alkene, alkyne, aromatic, and amine compounds for all fabrics. The two dimensional PCA (PC1 versus PC2) demonstrated 71% of variance and it was improved by cross-validation through the three dimensional LDA technique with correct classification of 77.8%. Conclusion: ATR-FTIR spectroscopy coupled with chemometric techniques had enabled identification of the functional groups, as well as statistically supported discrimination of the different accelerants, a matter of relevance in forensic fire and arson investigations.
  7. Faheem M, Fizza G, Ashraf MW, Butt RA, Ngadi MA, Gungor VC
    Data Brief, 2021 Apr;35:106854.
    PMID: 33659599 DOI: 10.1016/j.dib.2021.106854
    Smart Grid Industry 4.0 (SGI4.0) defines a new paradigm to provide high-quality electricity at a low cost by reacting quickly and effectively to changing energy demands in the highly volatile global markets. However, in SGI4.0, the reliable and efficient gathering and transmission of the observed information from the Internet of Things (IoT)-enabled Cyber-physical systems, such as sensors located in remote places to the control center is the biggest challenge for the Industrial Multichannel Wireless Sensors Networks (IMWSNs). This is due to the harsh nature of the smart grid environment that causes high noise, signal fading, multipath effects, heat, and electromagnetic interference, which reduces the transmission quality and trigger errors in the IMWSNs. Thus, an efficient monitoring and real-time control of unexpected changes in the power generation and distribution processes is essential to guarantee the quality of service (QoS) requirements in the smart grid. In this context, this paper describes the dataset contains measurements acquired by the IMWSNs during events monitoring and control in the smart grid. This work provides an updated detail comparison of our proposed work, including channel detection, channel assignment, and packets forwarding algorithms, collectively called CARP [1] with existing G-RPL [2] and EQSHC [3] schemes in the smart grid. The experimental outcomes show that the dataset and is useful for the design, development, testing, and validation of algorithms for real-time events monitoring and control applications in the smart grid.
  8. Abdullah F, Draman S, Abd. Aziz KH, Zainuddin NA, Muhammad NA
    IIUM Medical Journal Malaysia, 2020;19(1):109-116.
    MyJurnal
    Introduction: Based on the Theory of Planned Behaviour (TPB), sexual intention is determined by three main
    socio-cognitive factors which are permissive attitudes, social-norms and self-efficacy in performing
    premarital sexual activity. Premarital sex associated with increased risk of sexually transmitted diseases and
    detrimental social implications. The aim of this study was to explore the correlation of the socio-cognitive
    factors in predicting intention to engage in premarital sex amongst late adolescents in Kuantan government
    secondary schools. Method: This cross-sectional study was conducted among 466 pre-university students aged
    18-19 years from nine government secondary schools in Kuantan district. A self-administered validated Youth
    Sexual Intention Questionnaire (YSI-Q) was used. Statistical analyses were done using IBM SPSS version 22.0.
    Results: Permissive attitude (r=0.579, p
  9. Rehman U, Sarfraz RM, Mahmood A, Hussain Z, Thu HE, Zafar N, et al.
    Curr Drug Deliv, 2021 Feb 11.
    PMID: 33583374 DOI: 10.2174/1567201818666210212085912
    BACKGROUND: Despite exhibiting promising anticancer potential, the clinical significance of capecitabine (a potent prodrug of 5-fluorouracil used for treatment of colorectal cancer) is limited owing to its acidic and enzymatic hydrolysis, lower absorption following the oral administration, poor bioavailability, short plasma half-life and poor patient compliance.

    OBJECTIVES: The present study was aimed to fabricate the capecitabine as smart pH-responsive hydrogel network to efficiently facilitate its oral delivery while shielding its stability in the gastric media.

    METHODS: The smart pH sensitive HP-β-CD/agarose-g-poly(MAA) hydrogel network was developed using an aqueous free radical polymerization technique. The developed hydrogels were characterized for drug-loading efficiency, structural and compositional features, thermal stability, swelling behaviour, morphology, physical form, and release kinetics. The pH-responsive behaviour of developed hydrogels was established by conducting the swelling and release behaviour at different pH values (1.2 and 7.4), demonstrating significantly higher swelling and release at pH 7.4 as compared with pH 1.2. The capecitabine-loaded hydrogels were also screened for acute oral toxicity in animals by analysing the body weight, water and food intake, dermal toxicity, ocular toxicity, biochemical analysis, and histological examination.

    RESULTS: The characteristic evaluations revealed that capecitabine (anticancer agent) was successfully loaded into the hydrogel network. Capecitabine loading was ranged from 71.22% to 90.12%. An interesting feature of hydrogel was its pH-responsive behaviour which triggers release at basic pH (94.25%). Optimum swelling (95%) was seen at pH 7.4. Based upon regression coefficient R2 (0.96 - 0.99) best fit model was zero order. The extensive toxicity evaluations evidenced good safety profile with no signs of oral, dermal or ocular toxicities, as well as no variations in blood parameters and histology of vital organs.

    CONCLUSION: Our findings conclusively evinced that the developed hydrogel exhibited excellent pharmaceutical and therapeutic potential and thus can be employed as pH-responsive system for controlled delivery of anticancer agents.

  10. Mohammed Isa NA, Ramli MZ, Che Othman SF, Yusof MZ
    Nat Hazards (Dordr), 2021;107(1):873-887.
    PMID: 33612968 DOI: 10.1007/s11069-021-04613-z
    Rip currents are one of the coastal hazards that put Malaysian beachgoers in a risky position. Most of the drowning accidents that occur at beaches worldwide are closely associated with this phenomenon. Research on rip currents is needed to build an effective measuring tool to overcome these issues. However, to date, research on rip currents is mainly focused on its physical aspects, commonly concentrating on the processes that influence and relate to the rips' generation. As an effort to minimize the negative consequences exerted by the rips, there is an urgent need to enhance the rip-related research in the social sciences field. Comprehensive research that includes all fields might produce more beneficial and reliable information. Therefore, this study intends to examine the level of public understanding of rip currents and beach safety knowledge of the Teluk Cempedak Beach. A questionnaire comprising 5 sections and 31 questions was developed as the primary tool in this study. A total of 60 beachgoers have been surveyed for this preliminary study through a questionnaire to investigate their demographic profile, frequency of visiting the beach, swimming ability, and their knowledge of rip currents and beach safety. The results show that the beachgoers have poor knowledge of rip currents. Conversely, they are observed to have higher beach safety knowledge. Also, the findings help in filling the research gaps of this study in terms of the instrument used for the data collection procedure. Above all, an extension of this study may contribute to the development of beneficial tools in assessing public knowledge on beach safety and rip currents throughout Malaysian beaches.

    Supplementary information: The online version contains supplementary material available at (10.1007/s11069-021-04613-z).

  11. Abbasi MA, Irshad M, Aziz-Ur-Rehman -, Siddiqui SZ, Nazir M, Ali Shah SA, et al.
    Pak J Pharm Sci, 2020 Sep;33(5):2161-2170.
    PMID: 33824125
    In the presented work, 2,3-dihydro-1,4-benzodioxin-6-amine (1) was reacted with 4-chlorobenzenesulfonyl chloride (2) in presence of aqueous basic aqueous medium to obtain 4-chloro-N-(2,3-dihydro-1,4-benzodioxin-6-yl)benzenesulfonamide (3). In parallel, various un/substituted anilines (4a-l) were treated with bromoacetyl bromide (5) in basified aqueous medium to obtain corresponding 2-bromo-N-(un/substituted)phenylacetamides (6a-l) as electrophiles. Then the compound 3 was finally reacted with these electrophiles, 6a-l, in dimethylformamide (DMF) as solvent and lithium hydride as base and activator to synthesize a variety of 2-[[(4-chlorophenyl)sulfonyl](2,3-dihydro-1,4-benzodioxin-6-yl)amino]-N-(un/substituted)phenylacetamides (7a-l). The synthesized compounds were corroborated by IR, 1H-NMR and EI-MS spectral data for structural confirmations. These molecules were then evaluated for their antimicrobial and antifungal activities along with their %age hemolytic activity. Some compounds were found to have suitable antibacterial and antifungal potential, especially the compound 2-[[(4-chlorophenyl)sulfonyl](2,3-dihydro-1,4-benzodioxin-6-yl)amino]-N-(3,5-dimethylphenyl)acetamide (7l) exhibited good antimicrobial potential with low value of % hemolytic activity.
  12. Ahmed A, Saqlain M, Akhtar N, Hashmi F, Blebil A, Dujaili J, et al.
    Health Qual Life Outcomes, 2021 Feb 08;19(1):48.
    PMID: 33557861 DOI: 10.1186/s12955-021-01693-0
    BACKGROUND: Reliable Health-Related Quality of Life (HRQoL) assessment will be useful in identifying health issues and in identifying health care actions. Due to the lack of a psychometrically valid tool in Urdu, we aim to translate and examine the psychometric and cross-cultural adaptation of WHOQOL HIV Bref among people living with HIV/AIDS (PLWHA) in Pakistan.

    METHODS: The standard forward-backwards translation technique was used to convert English version of the WHOQOL HIV Bref into Urdu. After cognitive debriefing, final Urdu version of instrument was developed. Based on the principle of at least 5 subjects for each item, a sample of 182 patients was used using a universal random sampling technique from the Pakistan Institute of Medical Sciences, Islamabad. The Cronbach's alpha and intra-class correlation coefficients (ICC) were estimated to assess internal validity and reliability of the translated version. Exploratory factor analysis was carried out to determine the factor structure and independent associations between the instrument domains and CD-4T-cell count were assessed using multivariable linear regression RESULTS: High Cronbach alpha 0.93 was found for all WHOQOL HIV Bref facets. The test-retest reliability demonstrated a statistically significant ICC ranged from 0.88 to 0.98 (p 

  13. Khan MI, Mubashir M, Zaini D, Mahnashi MH, Alyami BA, Alqarni AO, et al.
    J Hazard Mater, 2021 08 05;415:125364.
    PMID: 33740721 DOI: 10.1016/j.jhazmat.2021.125364
    In the present research work, a comprehensive tool for cumulative ecotoxicological impact assessment of ionic liquids (ILs) to aquatic life has been constructed. Using the probabilistic tool, impact of individual ILs to a group of aquatic species is assessed by chemical toxicity distributions (CTDs). The impact of group of ILs to individual aquatic species is assessed by species sensitivity distributions (SSDs). Acute toxicity data of imidazolium ILs with chloride (Cl-), bromide (Br-), tetrafluoroborate (BF4-), and hexafluorophosphate (PF6-) anions are used in CTD and SSD. Allowable concentrations for a group of Imidazolium ILs with the same mode of action (SMOA) to five aquatic species; Daphnia magna, Vibrio fischeri, Algae, Zebrafish, and Escherichia coli are estimated by CTDs. It has been concluded that 1-Butyl-3-methylimidazolium chloride (BMIMCl) possess the lowest risk at an acceptable risk value of 750 × 10-5 mmol/L which is 12% less than that of OMIMCl. Furthermore, the sensitivities towards the aquatic species reveal that from the studied ILs, BMIMBF4 with an acceptable risk value of 3200 × 10-5 mmol/L is the most suitable IL towards the selected aquatic species. Hence, current work provides cumulative allowable concentrations and acceptable risk values for ILs which release to aquatic compartment of ecosystem.
  14. Nur Syahirah Husin Basri, Nurul Akmal Mohamed, Muhammad Akram Adnan, Nurul Farihan Mohamed, Nurul Hila Zainuddin
    MyJurnal
    This study aims to evaluate a continuous flow model that involves a ramp area at kilometer 31.6 on the highway from Shah Alam to Kuala Lumpur, to analyze the findings of numerical results of instantaneous speed ratios and to observe the convergence patterns for each section. The continuous flow model assumes traffic flow to be similar to the heat equation in regard to the concept of the one-dimensional viscous flow of a compressible fluid. For the methodology, for solving an initial value-boundary value problem, an initial condition together with a set of boundary conditions are required to solve the partial differential equation. The boundary conditions are chosen to assess the suitableness of the design of the entrance ramp in Malaysia, which is for right hand drive traffic. Highway traffic data were collected on the tapered acceleration lane and obtained by the videotaping method. The Maple programming language was used to write a numerical code in order to evaluate the instantaneous speed ratio in terms of a Fourier series. Our results show that the realistic results of instantaneous speed ratios on the ramp at kilometer 31.6 from Shah Alam to Kuala Lumpur are acceptable when compared to the theoretical results. Therefore, a very minimal collision rate is expected due to the well-designed ramp at kilometer 31.6 from Shah Alam to Kuala Lumpur. It is beneficial to study the mathematical model and theories of traffic flows on the merging area to enhance the efficiency of the traffic flowing on highways.
  15. Iza Sazanita Isa, Muhammad Aiman Zahir, Siti Azura Ramlan, Wang, Li-Chih, Siti Noraini Sulaiman
    ESTEEM Academic Journal, 2021;17(1):12-25.
    MyJurnal
    Dyslexia is developed by neurobiological in origin which is categorized as
    learning disorder that affect the ability to read, spell, write and speak. The
    most common dyslexia symptom can easily be identified through the
    handwriting pattern. There are many intelligence and computational
    methods that have been proposed, and they have provided various and
    different performance to evaluate the proposed system ability. However,
    system performances are varied and nonstandardized in each assesment on
    dyslexic children to validate the presence of dyslexia symptom. The recent
    deep learning models have been employed to improve the assesment
    performance and (the models/ they have shown) shows significant output to
    detect and classify the present of dyslexia symptoms among school children.
    Therefore, there is a crucial need in deep learning, specifically for
    Convolutional Neural Network ( CNN) to validate performances of different
    networks, so that the most performed CNN could be a bench mark in
    evaluation to detect such symptom. This study aims to compare different deep
    learning networks specifically the CNN models to validate its performance
    in terms of the capability to classify dyslexic handwriting among school
    children. This study is proposed to compare different CNN models such as
    CNN-1, CNN-2, CNN-3 and LeNet-5. The proposed methods to compare the
    CNN performances are developed by using Jupyter notebook as platform.
    Meanwhile, keras is the higher-level API framework to provide a more
    flexible way for defining models. It specifically allows to define multiple
    input or output models as well as models that share layers. The tensorflow is
    also used for machine learning applications such as neural networks. Before
    that, the dataset of handwriting image is preprocessed by the augmentation
    process which includes the rotation of all images. CNN models have shown
    significant performance and provided sufficient results of performance with
    more than 87% of accuracy in classifying the potential dyslexia symptom
    based on handwritten images.
  16. Ali T, Jan S, Alkhodre A, Nauman M, Amin M, Siddiqui MS
    PeerJ Comput Sci, 2019;5:e216.
    PMID: 33816869 DOI: 10.7717/peerj-cs.216
    Conventional paper currency and modern electronic currency are two important modes of transactions. In several parts of the world, conventional methodology has clear precedence over its electronic counterpart. However, the identification of forged currency paper notes is now becoming an increasingly crucial problem because of the new and improved tactics employed by counterfeiters. In this paper, a machine assisted system-dubbed DeepMoney-is proposed which has been developed to discriminate fake notes from genuine ones. For this purpose, state-of-the-art models of machine learning called Generative Adversarial Networks (GANs) are employed. GANs use unsupervised learning to train a model that can then be used to perform supervised predictions. This flexibility provides the best of both worlds by allowing unlabelled data to be trained on whilst still making concrete predictions. This technique was applied to Pakistani banknotes. State-of-the-art image processing and feature recognition techniques were used to design the overall approach of a valid input. Augmented samples of images were used in the experiments which show that a high-precision machine can be developed to recognize genuine paper money. An accuracy of 80% has been achieved. The code is available as an open source to allow others to reproduce and build upon the efforts already made.
  17. Fayez A Almabhouh, Faizatul Isyraqiah Ahmad Muhammad, Hisham Ibrahim, Harbindarjeet Singh
    MyJurnal
    Leptin, a 16 kDa protein and a product of the ob/ob gene, has a tertiary structure similar to that
    of a cytokine. It is primarily secreted by white adipose tissue and its levels in the blood correlate
    positively with percentage body fat. Leptin was first identified in 1994 as a major factor that
    regulated food intake and energy balance. Leptin in the circulation exists either as a free
    monomeric hormone or bound to its soluble receptor. Its serum levels usually range from 0.5 to
    37.7 ng/ml in males and 2.0 to 45.2 ng/ml in females. The half-life of leptin is between 20 - 30
    minutes and it is eliminated mainly by the kidneys. However, research over the last 25 years
    has revealed numerous other physiological roles for leptin, including roles in inflammation,
    immune function, neuro-endocrine function, bone metabolism, blood pressure regulation and
    sexual maturation. Most of these roles have been identified from studies on leptin deficient
    rodents. Apart from energy balance and sexual maturation, where its role is direct and obvious,
    its actions on the rest of the other systems are permissive. Actions of leptin are both centrally
    and peripherally mediated involving receptors that are widely distributed in the body. Six leptin
    receptor isoforms, belonging to the class 1 cytokine receptor family, have been identified.
    These receptors are products of the OBR gene. The cellular actions of leptin are mediated
    through any one of five different signalling pathways that include the JAK-STAT, PI3K, MAPK,
    AMPK, and the mTOR signalling pathways.
  18. Abbasi MA, Ijaz M, Aziz-Ur-Rehman -, Siddiqui SZ, Ali Shah SA, Shahid M, et al.
    Pak J Pharm Sci, 2020 Jul;33(4):1609-1616.
    PMID: 33583794
    In the planned research work, the nucleophilic substitution reaction of 1-[(E)-3-phenyl-2-propenyl]piperazine (1) was carried out with different sulfonyl chlorides (2a-g) at pH 9-10 to synthesize its different N-sulfonated derivatives (3a-g). The structures of the synthesized compounds were characterized by their proton-nuclear magnetic resonance (1H-NMR), carbon-nuclear magnetic resonance (13C-NMR) and Infra Red (IR) spectral data, along with CHN analysis. The inhibition potential of the synthesized molecules was ascertained against two bacterial pathogenic strains i.e. Bacillus subtilis and Escherichia coli. It was inferred from the results that some of the compounds were very suitable inhibitors of these bacterial strains. Moreover, their cytotoxicity was also profiled and it was outcome that most of these molecules possessed moderate cytotoxicity.
  19. Muhammad Darwiis Abdullah, Aiman Faiz Ahmad Fuad, Hafiz Ilmie Rahman, Mark Tan Kiak Min
    MyJurnal
    Mental illness is expected to become the second biggest health problem affecting Malaysians by 2020. Doctors and medical students are more prone to mental illness compared to the general population. However, they are often reluctant to and resist seeking help because of stigma and a (strong) sense of shame. This can lead to detrimental consequences for themselves and their patients. That said, a doctor with a mental illness receiving appropriate treatment and who is in a stable condition may still be permitted to practise provided patient safety is not compromised. Determining this is a key responsibility of a healthcare regulator like the Malaysian Medical Council (MMC). Using some prominent cases to illustrate this point, this article reviews the MMC guideline on ‘Managing Impaired Registered Medical Practitioners’. In the absence of similar local guidelines for medical students, we also allude to the UK General Medical Council’s guideline on ‘Supporting Medical Students with Mental Health Conditions’. The article recommends that doctors and medical students with mental illness should seek help; outlines a number of factors to consider in deciding whether a doctor should continue practising; and explores alternative career paths in instances where they should not. The article concludes that appropriate support goes a long way for doctors and medical students who grapple with mental health issues in that there is hope and a way through a seemingly devastating situation.
  20. Kim YJ, Aslam MS, Fahim SM, Khan WA, Qian L
    J Res Pharm Pract, 2021;10(2):78-82.
    PMID: 34527612 DOI: 10.4103/jrpp.JRPP_20_108
    OBJECTIVE: The present research is the first comprehensive cross-sectional study of consumer satisfaction with community pharmacies in Sindh, Pakistan. Moreover, the study has also designed a nonorder theoretical model for consumer satisfaction with community pharmacies.

    METHODS: This is a cross-sectional descriptive study from a general population of Sindh, Pakistan, with a total of four hundred and fifteen (n = 415) participants. A confirmatory factor analysis was used to verify the factor structure between Pharmaceutical services (PS), the Skill of Pharmacists, Non-pharmaceutical services (NPS), and pricing (P). Pearson correlation analysis, Kendall's tau correlation analysis, and Spearman's rho correlation analysis were used to identify the correlation between different factors, such as PS, SKP, NPS, and P.

    FINDINGS: The 23-item scale that consisted of four elements have shown an acceptable root mean squared error of approximation (0.076), Cronbach's alpha (0.787), and Chi-square value (3.381) (P < 0.001). Of the respondents, 56.4% rated their satisfaction on pharmacist attitude, whereas 67.2%, 41.4%, and 51.8% were satisfied with other services, such as receipt provided on medication they take, prescription drug service and availability of pharmacies on the weekend and public holidays, respectively.

    CONCLUSION: This cross-sectional study confirms that there are relationships among PS, SPK, NPS, and P. Moreover, there is a lack of facilities in community pharmacies in Sindh, such as the unavailability of a consultation room, immunization services, information on routine health matters, and medication record.

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